Thank you for reading the Linux Advisory Watch Security Newsletter.
The purpose of this document is to provide our readers with a quick
summary of each week's vendor security bulletins and pointers on
methods to improve the security posture of your open source system.
Vulnerabilities affect nearly every vendor virtually every week, so
be sure to read through to find the updates your distributor have
made available.

Password guessing as an attack vector - Using password guessing as an attack vector. Over the years we've been taught a strong password must be long and complex to be considered secure. Some of us have taken that notion to heart and always ensure our passwords are strong. But some don't give a second thought to the complexity or length of our password.

Lawrence Pit discovered that Ruby on Rails, a web development framenwork, is vulnerable to a flaw in the parsing of JSON to YAML. Using a specially crafted payload attackers can trick the backend into decoding a subset of YAML. [More...]

A vulnerability has been found and corrected in perl: Heap-based buffer overflow in the Perl_repeatcpy function in util.c in Perl 5.12.x before 5.12.5, 5.14.x before 5.14.3, and 5.15.x before 15.15.5 allows context-dependent attackers to cause a denial of service [More...]

Updated openstack-nova packages that fix two security issues and multiple bugs are now available for Red Hat OpenStack Folsom. The Red Hat Security Response Team has rated this update as having [More...]